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Jernqvist Jernqvist, Abrahamsson Abrahamsson, Aly Aly (1992)
On the efficiencies of absorption heat transformersHeat Recovery Systems & CHP, 12
Rivera Rivera, Best Best, Hernandez Hernandez, Heard Heard, Holland Holland (1994b)
Thermodynamic study of advanced absorption heat transformers–II: Double absorption configurationsHeat Recovery Systems & CHP, 14
George George, Srinivasa Srinivasa (1989)
Influence of heat exchanger effectiveness on performance of vapour absorption heat transformersInt. J. Energy Res., 13
Eisa Eisa, Holland Holland (1987)
A study of the optimum interaction between the working fluid and the absorbent in absorption heat pump systemsHeat Recovery Systems, 7
Siddig‐Mohammed Siddig‐Mohammed, Watson Watson, Holland Holland (1983)
Study of the operating characteristics of a reversed absorption heat pump system (heat transformer)Chem. Engng Res. Des., 61
Pereira Pereira, Bugarel Bugarel (1989)
Optimal working conditions for an absorption heat transformer–Analysis of the H 2 O/LiBr theoretical cycleHeat Recovery Systems & CHP, 9
Rivera Rivera, Best Best, Hernandez Hernandez, Heard Heard, Holland Holland (1994a)
Thermodynamic study of advanced absorption heat transformers–I: Single and two stage configurations with heat exchangersHeat Recovery Systems & CHP, 14
Iyoki Iyoki, Uemura Uemura (1989)
Performance characteristics of the water‐lithium bromide‐zinc chloride‐calcium bromide absorption refrigeration machine, absorption heat pump and absorption heat transformerInt. J. Refrig., 13
Absorption heat transformers are devices with the unique capability of raising the temperature of part of a low grade heat source whilst simultaneously rejecting the rest of the heat at a lower temperature. The gross temperature lift that could be attained in the process depends on the characteristics of the working pair. Many combinations of working fluid/absorbent have been proposed although until now the water/lithium bromide system is the most widely used. Experimental results for the water/magnesium chloride working pair in an absorption heat transformer are presented. Two different ranges for the absorber temperature were investigated. The absorber temperature varied from 81 to 89°C and from 91 to 101°C. For the first case, the gross temperature lift was calculated between 7⋅8 and 10⋅2°C whilst for the second case the gross temperature lift was found to be between 15 and 18⋅4°C. For both sets of experiments, the heat input was maintained constant and the calculated coefficient of performance was related to the absorber temperature, the flow ratio and the effectiveness of the economizer. © 1997 by John Wiley & Sons, Ltd.
International Journal of Energy Research – Wiley
Published: Feb 1, 1997
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